DiskStation DS216+II

Efficient NAS ensuring data availability and high-quality video transcoding

Featuring a dual-core CPU with AES-NI hardware encryption engine, Btrfs file system support, and 4K UHD transcoding, DS216+II is a high-performance 2-bay NAS server aimed at small office and home users who want an efficient and secure storage solution to protect and share data, as well as enjoy on-the-fly video transcoding.

DS216+II

High-speed data transfer and hardware encryption engine

Equipped with a dual-core processor and AES-NI hardware encryption engine, DS216+II delivers blazingly fast file transfer speeds — even when handling encrypted data. DS216+II delivers high-speed performance, exceeding 111.78 MB/s reading and writing, while ensuring encrypted data transmissions at over 113.01 MB/s reading and 111.66 MB/s writing.

Easy installation, hassle-free maintenance

For friendly and effortless hard drive installation, DS216+II features a screwless drive bay design and hot-swappable support, allowing users to install 3.5" hard drives without a screwdriver. Installing and replacing drives is easier than ever.

Thoughtful four-level brightness control for front LEDs

DS216+II comes with adjustable front LED indicators, allowing you to choose between four levels of brightness and set a schedule according to time and day. That way, you can achieve comfortable and appropriate brightness level for your individual environment.

4K Ultra HD video transcoding

Powered by a hardware-accelerated transcoding engine, DS216+II allows you to transcode H.264 4K videos to 1080p and stream them to high-definition TVs, digital media players, mobile handsets, and computers in the required format, making it easy to watch videos without having to install a 3rd party player.* Learn more

Award winning OS - DiskStation Manager

Synology DiskStation Manager (DSM) is a sleek, browser-based operating system running on every DiskStation and RackStation, which makes managing your Synology NAS a breeze. Featuring an intuitive user interface, DSM makes accessing and sharing your data smarter and simpler. Synology's Package Center lets you download and install useful add-on packages designed specifically for individual or business needs, meaning you can enjoy more entertainment in your life or better productivity at work.Learn more

Fit into business environments easily

With the support of Windows AD, LDAP, and Domain Trust, DS216+II enables seamless account integration. The User Home feature can automatically create a "home" folder for every user account to minimize the administrator's effort in repeatedly creating "home" folders for all accounts. Windows ACL support on DS216+II allows IT administrators to fine tune access controls and set up privileges to files and folders on DS216+II through the familiar Windows user interface. With compatibility for major protocols, DS216+II can eliminate server configuration overhead and enhance IT administrators’ efficiency. Learn more

Ultimate file center

File Station is a fast and secure feature for sharing and managing your files stored on DS216+II. Just drag-n-drop and upload data from Mac or PC. Advanced filters make it easy to search for documents, photos, or videos. With built-in FTP or email clients, DS216+II lets you organize and share files through an advanced web application effortlessly. You can even share files and folders with others by simply sending a link. Files can be reached on mobile devices via the companion mobile app DS file. HTTPS, SSL/TLS encryption, and link expiry dates also ensure file sharing over the Internet is highly secure. Learn more

The most compatible sharing

Enjoy seamless files sharing across Windows®, Mac®, and Linux® platforms as DS216+II offers comprehensive network protocol support including FTP, SMB2, AFP, NFS and WebDAV. With Windows AD and LDAP integration, DS216+II can fit effortlessly into any existing network environment - there is no need for IT administrators to maintain two sets of credentials. You also won't worry about missing files with the Recycle Bin feature which is supported on AFP, CIFS, File Station, and WebDAV. All files deleted in a shared folder will be automatically moved into the Recycle Bin. Learn more

Effective backup solution

Synology DS216+II can serve as a centralized backup target. Whether you are a Windows or Mac user, you can back up everything on your computer directly to Synology NAS using Cloud Station Backup. Whenever you modify a file, the changes are backed up to DS216+II automatically. Mac users also enjoy native Apple® Time Machine support. You can also back up data from your DS216+II to another DiskStation, rsync servers, external drives, or even Amazon® S3, Glacier cloud service, Microsoft Azure, SFR, and hicloud. Synology Hyper Backup allows you to schedule backup tasks and restore the server to any particular point in time, while minimizing storage consumption and processing time by saving only the specific data block that has been changed between versions. Learn more

Increase business productivity with cloud solutions

With comprehensive cloud solutions, DS216+II lets you create your own private cloud easily. Cloud Station is the perfect package to sync files across multiple devices. Files can be edited in offline mode and later synced to Cloud Station, which keeps up to 32 historical versions, allowing you to restore a file back to previous version or recover deleted files. With the mobile app DS cloud, any change made to a file is automatically synced to your smartphones and tablets. For distributed enterprises, Synology's 2-way sync between different DiskStations ensures employees at different locations share the same information in real-time. IT administrators can handpick individual folders that they want to sync to different devices, manually or automatically based on file format and size. Folders synced by Cloud Station can be encrypted on DSM — no one will be able to access its content without your private key. Learn more

Secure your data

DS216+II offers advanced security measures to protect you from potential security holes. Security Advisor analyzes system settings, password strength, network preferences and removes any possible malware. AppArmor blocks malicious programs from accessing unauthorized system resources. You can also customize the trust level in Package Center to avoid installing packages from untrusted sources, safeguarding your NAS from unknown or tampered files. In addition, DS216+II provides other security add-ons, such as AES encryption, 2-Step verification, IP block & allow list, Antivirus packages, firewall, and DoS attack prevention. Learn more

Network security
Antivirus
AES 256-bit encryption
2-Step verification
Trust level

Get mobility with our apps

Synology develops versatile mobile apps — DS note, DS audio, DS video, DS photo, DS cloud, DS file, DS get and DS cam — allowing you to access and manage the contents of your DS216+II with smartphones and tablets. QuickConnect brings an easier network experience as it eliminates complicated router configuration or port forwarding. With Synology mobile apps, your multimedia collection and work files are always on the go. Learn more

Eco-friendly NAS server

All Synology NAS is designed with energy efficiency in mind. DS216+II only consumes 7.40W in HDD Hibernation and 17.40W in access*. With special fan and the smart airflow design, the DS216+II keeps the system running cool 24/7, while its noise dampening design makes it quieter than PC counterparts. Synology acknowledges the responsibility as a global citizen, so all Synology products are produced with RoHS compliant parts and packed with recyclable packing materials.

* The power consumption figures may vary on different environments.

Notes:
_____

  1. The performance figures vary in different environments.
Hardware Specifications
CPU
CPU Model Intel Celeron N3060
CPU Architecture 64-bit
CPU Frequency Dual Core 1.6 burst up to 2.48 GHz
Hardware Encryption Engine (AES-NI)
Hardware Transcoding Engine H.264 (AVC), H.265 (HEVC), MPEG-2 and VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 30
Memory
System Memory 1 GB DDR3
Storage
Drive Bays 2
Compatible Drive Type* (See all supported drives)
  • 3.5" SATA III / SATA II HDD
  • 2.5" SATA III / SATA II HDD
  • 2.5" SATA III / SATA II SSD
Maximum Internal Raw Capacity 20 TB (10 TB HDD x 2) (Capacity may vary by RAID types)
Maximum Single Volume Size 108 TB
Hot Swappable Drive
External Ports
RJ-45 1GbE LAN Port 1
USB 2.0 Port 2
USB 3.0 Port 1
eSATA Port 1
USBCopy
File System
Internal Drives
  • Btrfs
  • EXT4
External Drives
  • Btrfs
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
  • exFAT*
Notes exFAT Access is purchased separately in Package Center.
Appearance
Size (Height x Width x Depth) 165 mm x 108 mm x 233.2 mm
Weight 1.25 kg
Others
System Fan 92 mm x 92 mm x 1 pcs
Fan Speed Mode
  • Cool Mode
  • Quiet Mode
Wireless Support (dongle)
Brightness adjustable front LED indicators
Power Recovery
Noise Level* 18.2 dB(A)
Scheduled Power On/Off
Wake on LAN/WAN
Power Supply Unit / Adapter 60W
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption* 17.40 W (Access)
7.40 W (HDD Hibernation)
British Thermal Unit 59.41 BTU/hr (Access)
25.27 BTU/hr (HDD Hibernation)
Environment Temperature
Operating Temperature 5°C to 40°C (40°F to 104°F)
Storage Temperature -20°C to 60°C (-5°F to 140°F)
Relative Humidity 5% to 95% RH
Certification
  • FCC Class B
  • CE Class B
  • BSMI Class B
Warranty 2 Years
Notes
  • Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS front and rear; Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
DSM Specifications ( See more )
Storage Management
Maximum Internal Volume Number 256
Maximum iSCSI Target Number 32
Maximum iSCSI LUN 256
iSCSI LUN Clone/Snapshot, Windows ODX
Supported RAID Type
  • Synology Hybrid RAID
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
RAID Migration Basic to RAID 1
Volume Expansion with Larger HDDs
  • Synology Hybrid RAID
  • RAID 1
Volume Expansion by Adding a HDD Synology Hybrid RAID
SSD Support
SSD TRIM
File Sharing Capacity
Maximum Local User Accounts 2048
Maximum Local Groups 256
Maximum Shared Folder 256
Maximum Shared Folder Sync Tasks 4
Maximum Concurrent CIFS/AFP/FTP Connections 256
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
Log Center
Syslog Events per Second 400
Add-on Packages (learn more about the complete add-on package list)
Antivirus by McAfee (Trial)
Central Management System
Chat
Maximum Users 200
Notes
  • The number of concurrent HTTP connections for Chat was configured to the maximum.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
Cloud Station Server
Maximum Concurrent File Transfers 256
DDSM
Maximum DDSM Number (Licenses required) 1 (including 1 Free License) (Learn more)
Document Viewer
Download Station
Maximum Concurrent Download Tasks 80
exFAT Access (optional)
HiDrive Backup
MailPlus / MailPlus Server
Free Email Accounts 5 (Licenses required for additional accounts)
Recommended MailPlus Client Number Up to 5 (Btrfs) / 5 (EXT4)
Maximum Server Performance 220,000 (Btrfs) / 216,000 (EXT4) emails per day, approx. 6.7 GB (Btrfs) / 6.6 GB (EXT4)
Notes
  • The CPU and RAM usages were both under 80% when testing recommended client numbers.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units installed.
  • The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
  • Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
Media Server
DLNA Certification
Office
Maximum Users 200
Maximum Simultaneous Editing Users 80
Notes
  • CPU and RAM usage were both under 80% when testing the recommended number of clients.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Snapshot Replication
Maximum Snapshots per Shared Folder 256
Maximum Snapshots of all Shared Folder 4096
Surveillance Station
Maximum IP cam (Licenses required) 25 (including 2 Free License) (See All Supported IP Cameras)
Total FPS (H.264)* 750 FPS @ 720p (1280x720)
300 FPS @ 1080p (1920×1080)
160 FPS @ 3M (2048x1536)
100 FPS @ 5M (2591x1944)
Total FPS (MJPEG)* 300 FPS @ 720p (1280x720)
120 FPS @ 1080p (1920×1080)
90 FPS @ 3M (2048x1536)
60 FPS @ 5M (2591x1944)
Notes Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera.
Video Station
Video Transcoding 4K Group 1 (See more)
Maximum Transcoding Channel Number 1 channel, 30 FPS @ 4K (4096 x 2160), H.264 (AVC)/H.265 (HEVC) or 3 channel, 30 FPS @ 1080p (1920×1080), H.264 (AVC)/H.265 (HEVC)/MPEG-2/VC-1
VPN Server
Maximum Connections 20
Environment & Packaging
Environment RoHS Compliant
Packaging Content
  • Main Unit X 1
  • Welcome Note X 1
  • Accessory Pack X 1
  • AC Power Adapter X 1
  • AC Power Cord X 1
  • RJ-45 LAN Cable X 1
Optional Accessories
  • Surveillance Device License Pack
  • VS360HD
General
Networking Protocols
  • CIFS
  • AFP
  • NFS
  • FTP
  • WebDAV
  • CalDAV
  • iSCSI
  • Telnet
  • SSH
  • SNMP
  • VPN (PPTP, OpenVPN)
Windows AD Domain Integration Domain Users login via Samba/AFP/FTP/File Station
HDD Management
  • HDD Hibernation
  • S.M.A.R.T.
  • Dynamic Bad Sector Mapping
Security
  • FTP over SSL/TLS
  • IP Auto-Block
  • Firewall
  • Encrypted Network Backup over Rsync
  • HTTPS Connection
Utilities Synology Assistant
Supported Clients
  • Windows 7 or above
  • Mac OS X 10.10 or above
Supported Browsers
  • Chrome
  • Firefox
  • Internet Explorer 9 or later
  • Safari 8 or later
  • Safari (iOS 7.0 or later on iPad)
  • Chrome (Android 4.0 on tablets)
Supported Language English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, 日本語, 한국어, 繁體中文, 简体中文

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